Strange cocktail monitor issue

apinballer

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Jan 7, 2017
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Iowa
So, I get a Ms Pacman cocktail table that plays blind. I trace the monitor issue to the flyback that has the +6v heater open. I replace the flyback today and put it back together. I turn on the game with the monitor hinged open and adjust the brightness and focus and it is perfect ... until swing the monitor back to normal position and then the colors wash out. The monitor looks perfect when hinged open, until about the last six or eight inches until it is closed and get worse as it gets closer to be closed up. 99.9% chance it is not wiring - checked all of it. Only thing I can think of is as the tube gets closer to the transformers in the bottom of the game, it is being affected by an electromagnetic field or something. Anyone else had this issue or know anything about this?
 
Never mind - sorry. I turned the game 90 degrees and now the picture is perfect in any position. I really never realised how the earth's magnetic field could affect a CRT until today.
 
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